220V Surge Protector -BT PCM TT1+1 275 RM

The BT PCM TT1+1 275 RM is an enhanced power protection device suitable for installation at LPZ 0B-1 or above. In single-phase TN/ TT systems it protects the low voltage equipment from over-voltage or high voltage flashes lightning. Compliant with IEC 61643-11:This protector complies with 2011, EN 61643-11:2012, and GB 18802.1-2011 standards hence providing the best safety and reliability in its various applications.

Type

BT PCM TT1+1 275 RM
Art.-No.

810 821

Inquiry

Download Datasheet

220V Surge Protection for Industrial Electrical Equipment

220V Surge Protector for Residential Power Supply

Location of Use:
Sub-Distribution Boards

System Type:
Single Phase, TN/TT

Protection Elements:
High Energy MOV+ High Energy GDT

Surge Ratings:
In=20/40kA(8/20μs)

High Surge Currents:
Imax=40/65kA(8/20μs)

The BT PCM TT1+1 275 RM is a single-phase RM range for TN / TT systems with high performance and a maximum single surge discharge of 40kA, compliant with the IEC 61643-11 standard. Originally intended for sub-distribution boards, it includes units and indicators and has appropriate protection against surge, overvoltage, and lightning, suitable for single/two/three-phase applications in residential, commercial, and industrial applications.

220V Surge Protector - BT PCM TT1+1 275 RM

BT PCM TT1+1 275 RM is a durable 220V surge protector construction to protect electrical systems against overvoltage, voltage spikes, and lightning. Consequently, the self-developed TT1+1 advancement that has been incorporated in this device enables it to effectively protect residential, commercial, and industrial establishments from surge currents.

220V Surge Protection for Electrical Circuits

Key Features:

TT1+1 Design: Used to protect live and neutral TT earthing systems.
High Surge Capacity: Copes with currents up to 40 kA of the waveform 8/20 µs.
Voltage Compatibility: Ideal for 220V AC systems.
Replaceable Modules: Enhances serviceability because the system has modular parts.
Status Indicators: Real-time operational supervision to control and monitor social organizational actions.
Certified Safety: Compliant with IEC and EN safety standards.

220V Surge Protection to Prevent Power Surges

Technical Specifications:

Nominal Voltage (Un): 220-275 V AC
Maximum Surge Current (Imax): 40 kA (8/20 µs)
Voltage Protection Level (Up): ≤ 1.5 kV
Response Time: < 25 ns
Enclosure Rating: IP20

Applications:

Utility Power Systems: Suitable for power distribution and supply systems in residential and commercial complex entities.
Industrial Equipment: Designed to protect and support various industrial equipment.
IT and Telecommunication Systems: Includes information technology and telecommunication support systems.
Renewable Energy Installations: Defined as new generation capacity that can be met by renewable energy resources.

Surge Protection for 220V AC Power Supply Systems

Benefits:

Voltage Surge Protection: Safeguards against voltage fluctuations, spikes, and surges to ensure user safety.
Operational Continuity: Maintains uninterrupted operations in the system.
Time-Efficient Maintenance: Reduces repair and maintenance time due to the device's modular design.

Surge Protection for 220V Home Appliances

Technical Data

Type	BT PCM TT1+1 150 RM	BT PCM TT1+1 275 RM	BT PCM TT1+1 320 RM	BT PCM TT1+1 385 RM
According to IEC 61643-11/EN 61643-11	Class II (class 2/C) / Type 2
System mode	Single Phase，TT/TN System (“ 1+1 “circuit)
Nominal voltage [UN](50/60Hz)	120V	220V or 230V	220V or 230V	220V or 230V
Rated voltage (max. continuous voltage) [Uc] [L-N / N-PE](50/60Hz)	150V/255V	275V/255V	320V/255V	385V/255V
TOV voltage[U_T][L-N / N-PE]	175V/5sec，1200V/200ms	335V/5sec，1200V/200ms	335V/5sec，1200V/200ms	335V/5sec，1200V/200ms
TOV 120min[U_T][L-N]	440V	440V	440V	440V
Nominal discharge current (8/20μs) [In] [L-N / N-PE]	20kA/40kA	20kA/40kA	20kA/40kA	20kA/40kA
Max. discharge current (8/20μs) [Imax] [L-N / N-PE]	40kA/65kA	40kA/65kA	40kA/65kA	40kA/65kA
Lightning impulse current (10/350μs) [Iimp] [N-PE]	20kA	20kA	20kA	20kA
Voltage protection level at In [Up] [L-N / N-PE]	≤ 0.9kV/ ≤ 1.5kV	≤ 1.3kV/ ≤ 1.5kV	≤ 1.5kV/≤ 1.5kV	≤ 1.8kV/≤ 1.5kV
Voltage protection level at 5kA [Up] [L-N ]	≤ 0.75kV	≤ 1.0kV	≤ 1.2kV	≤ 1.35kV
Response time [tA] [L-N / N-PE]	≤ 25ns/≤ 100ns
Follow current extinguishing capability at Uc[N-PE][I_f]	100A_rms
Max. back up fuse [F]	125A gL/gG
Operating temperature range [Tu] / Operating state / Failure indication	-40°C…+80°C / Green / Red
Cross-sectional area	1.5mm² ~ 25mm² solid / 35mm² flexible
Mounting on / Number of remote terminals	35mm DIN rail，EN 60715 / 1
Enclosure material	Red (module) & light gray (base) thermoplastic, UL94-V0
Dimension / Degree of Protection	2 mods (36mm) / IP 20
Certification	KEMA-KEUR; CB; CE; RoHS
Type of remote signaling contact	Switching contact
Switching capacity a.c.	250V/0.5A
Switching capacity d.c.	250V/0.1A, 125V/0.2A, 75V/0.5A
Cross-sectional area for remote signaling contact	Max. 1.5mm² solid/flexible
Ordering Information
Type	BT PCM TT1+1 150 RM	BT PCM TT1+1 275 RM	BT PCM TT1+1 320 RM	BT PCM TT1+1 385 RM
Art.-No.	810 820	810 821	810910	810822
Packing unit	1pc(s)	1pc(s)	1pc(s)	1pc(s)